jsdoc-to-markdown is a command-line interface (CLI) tool and API that generates markdown documentation from JSDoc annotated JavaScript source code. It simplifies the process of creating clean, consistent documentation by automatically extracting comments and formatting them into readable markdown files. Ideal for projects with extensive JSDoc annotations, it helps maintain up-to-date documentation with minimal manual effort through automated generation and customizable templates. It supports custom helpers and partials for advanced formatting control.